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MINI287
MINI287采用NXP i.MX287处理器设计，ARM926EJ-S内核, 主频454MH。默认配置128MB DDR2内存，256MB Nand Flash存储。
MINI287系统是基于Linux- 2.6.39内核的Linux开发平台，搭载EM2000底板，引出i.MX287的几乎全部信号，可应用于消费电子、户外多媒体、工业控制等领域。
| 规格参数 | |
|---|---|
| SoC | NXP i.MX287 ARM926EJ-S CPU, 454MHz |
| 内存 | 128MB DDR2 |
| 存储 | 256MB/512MB/1GB SLC NAND |
| 工作电压 | DC 3.3V |
| 引出信号 | 5x UART, USB2.0 OTG, USB2.0 Host, LCD, 2x Ethernet, CAN, Audio I/O, 2x SD, SPI, GPMI, 4x PWM, I2C, 6x ADC IN, GPIO, etc. |
| Ethernet | 10/100 Mbps Ethernet, LAN8720A controller |
| PCB板层 | 8 |
| 尺寸 | 40 x 40 mm |
| 连接方式 | 120-pin, 1.27mm间距邮票孔 |
| 应用 | 智能网关, HMI, 手持设备 |
| 开发板 | EM2000 |
PCB尺寸图
引脚定义
| Pin | Signal | Pin | Signal | Pin | Signal | Pin | Signal |
|---|---|---|---|---|---|---|---|
| 1 | ENET_TXN | 31 | VDD_5V | 61 | GND_AUDIO | 91 | SSP0_DETECT |
| 2 | ENET_TXP | 32 | LCD_PWR_EN | 62 | UART0_TX | 92 | SSP0_SCK |
| 3 | GND | 33 | LCD_HS | 63 | UART0_RX | 93 | SSP0_CMD |
| 4 | ENET_RXN | 34 | LCD_RS | 64 | UART3_TX | 94 | SSP0_DATA0 |
| 5 | ENET_RXP | 35 | LCD_VS | 65 | UART3_RX | 95 | SSP0_DATA1 |
| 6 | ENET0_100MLED2 | 36 | LCD_DE | 66 | UART1_TX | 96 | SSP0_DATA2 |
| 7 | ENET0_LINKLED1 | 37 | GND | 67 | UART1_RX | 97 | SSP0_DATA3 |
| 8 | GND | 38 | LCD_D00 | 68 | PWM3 | 98 | GND |
| 9 | RESETN | 39 | LCD_D01 | 69 | PWM4 | 99 | TS_XP |
| 10 | PSWITCH | 40 | LCD_D02 | 70 | UART2_TX | 100 | TS_YP |
| 11 | GND | 41 | LCD_D03 | 71 | UART2_RX | 101 | TS_XM |
| 12 | GPMI_RDN | 42 | LCD_D04 | 72 | UARTD_TX | 102 | TS_YM |
| 13 | GPMI_WRN | 43 | LCD_D05 | 73 | UARTD_RX | 103 | LRADC6 |
| 14 | GPMI_CE1N | 44 | LCD_D06 | 74 | I2C0_SCL | 104 | HSADC0 |
| 15 | GPMI_CE2N | 45 | LCD_D07 | 75 | I2C0_SDA | 105 | PWM0 |
| 16 | GPMI_CE3N | 46 | LCD_D08 | 76 | SSP3_MOSI | 106 | PWM1 |
| 17 | GPMI_ALE | 47 | LCD_D09 | 77 | SSP3_SCK | 107 | ENET1_TX_EN |
| 18 | GPMI_CLE | 48 | LCD_D010 | 78 | SSP3_MISO | 108 | ENET1_TXD1 |
| 19 | GPMI_READY1 | 49 | LCD_D11 | 79 | SSP3_SS0 | 109 | ENET1_TXD0 |
| 20 | GPMI_READY2 | 50 | LCD_D12 | 80 | SSP2_SCK | 110 | ENET1_RX_EN |
| 21 | GPMI_READY3 | 51 | LCD_D13 | 81 | SSP2_CMD | 111 | ENET1_RXD1 |
| 22 | GPMI_D0 | 52 | LCD_D14 | 82 | SSP2_DATA0 | 112 | ENET1_RXD0 |
| 23 | GPMI_D1 | 53 | LCD_D15 | 83 | SSP2_DATA1 | 113 | ENET_MDIO |
| 24 | GPMI_D2 | 54 | LCD_D16 | 84 | SSP2_DATA2 | 114 | ENET_MDC |
| 25 | GPMI_D3 | 55 | LCD_D17 | 85 | SSP2_DATA3 | 115 | GND |
| 26 | GPMI_D4 | 56 | LP_OUT | 86 | GND | 116 | USB_0_DM |
| 27 | GPMI_D5 | 57 | RP_OUT | 87 | VDDXTAL | 117 | USB_0_DP |
| 28 | GPMI_D6 | 58 | MIC_IN | 88 | BOOT_SEL | 118 | USB_0_ID |
| 29 | GPMI_D7 | 59 | AL_IN | 89 | BOOT_MOD | 119 | USB_1_DM |
| 30 | LI-ION_BATTERY | 60 | AR_IN | 90 | GPIO1_19 | 120 | USB_1_DP |
| 操作系统 | 类别 | 功能 | 描述 |
|---|---|---|---|
| Linux2.6.39 | Bootloader | Boot | Uboot 2010 |
| Tftp | 支持ttftp 传输协议 | ||
| File system | Yaffs | ||
| Kernel | 支持 kernel image写入 nand flash 和 kernel 参数设定 | ||
| Etc. | 支持通过USB和串口下载应用到Flash进行调试 | ||
| Kernel | 版本 | Linux kernel 2.6.39 | |
| 文件系统 | CRAMFS/RAMFS/EXT2/FAT32/NFS/YAFFS/YAFFS2 | ||
| 串口 | 3x 串口 | ||
| Ethernet | 10/100M 网络。KSZ8081芯片 | ||
| RTC | RTC驱动 | ||
| USB Host | USB Host, USB从设备驱动 | ||
| LEDs | LEDs 驱动 | ||
| Buttons | 用户按键驱动 | ||
| Language | 多语言支持 | ||
| LCD | 4.3"/ 7" TFT LCD驱动 | ||
| Touchscreen | 触摸屏驱动 | ||
| SD/MMC card | SD/MMC卡驱动 | ||
| TWI | TWI 驱动 | ||
| SPI | SPI 驱动 | ||
| CAN | CAN 驱动 | ||
| USB | USB 驱动 | ||
| RS485 | RS485 驱动 | ||
| NAND flash | 支持512 Bytes小页, 2K bytes大页, 驱动兼容128Mbit ~ 8Gbit | ||
| Audio | WM8731 | ||
| 嵌入式 GUI | Qt/Embedded | Angstrom | |
| Rz and sz | 串口发送、接收 | ||
| Madplay | MP3 播放器 | ||
| Network protocol | TCP/IP | TCP/IP协议 | |
| Telnet | Telnet服务器, 远程登陆 | ||
| File transfer | FTP 客户端/服务器 | ||
| Web server | boa Web服务器 | ||
| USB支持的驱动 | U盘, 便携硬盘, USB鼠标, USB 键盘, USB HUB等. | ||
| 指令 | cat, chmod, discard, echo, flashfsd, flashwrite, free, genhtml, hostname, init, kill, loader, ls, mkdir, mount, ps, reboot, rm, smanaged, sysconf, yes, insmod, lsmod, rmmod | ||
| 工具 | Busybox1.2.0 和 busybox1.13 | ||
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